344440 has 32 divisors (see below), whose sum is σ = 792000. Its totient is φ = 134784.

The previous prime is 344429. The next prime is 344453. The reversal of 344440 is 44443.

It is a congruent number.

It is an unprimeable number.

344440 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106 + ... + 3214.

It is an arithmetic number, because the mean of its divisors is an integer number (24750).

2³⁴⁴⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396000).

344440 is an abundant number, since it is smaller than the sum of its proper divisors (447560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344440 is a wasteful number, since it uses less digits than its factorization.

344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 344440 is about 586.8901089642. The cubic root of 344440 is about 70.0978224168.

Adding to 344440 its reverse (44443), we get a palindrome (388883).

It can be divided in two parts, 344 and 440, that added together give a square (784 = 28²).

The spelling of 344440 in words is "three hundred forty-four thousand, four hundred forty", and thus it is an iban number.